Trail Running calendar near Gerrards Cross 2025-2026

The Hughenden Valley Half Marathon is a scenic trail running event held at Hughenden Manor in the Chiltern Hills, UK. Covering 21.1 km with over 450 meters of elevation, the course winds through woodland trails and rural paths around the National Trust's historic estate. Runners face several hills a..

The Maverick X Series Chilterns 2025 is a trail running event held at the historic Stonor Park estate near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers four challenging routes ranging from 12 km to an ultra 52 km, featuring significant e..

The Humanity Direct Chiltern Challenge is a one-day ultra running event held in the scenic Chiltern Hills, starting and finishing at Princes Risborough School in the South East of England. Participants can choose from three distances: 10km, 25km, or 50km, with ascent gains ranging from 258 to 871 me..

The ATW St Albans Summer 10K is an exciting running event designed for the whole family, taking place in Highfield Park, St Albans. The day kicks off with a free family fun run, followed by activities in a vibrant event village featuring a kids zone, live music, and refreshments from the Cow Juice C..

Bright Skies Surrey Hills is an exciting daytime trail running event held at Denbies Wine Estate in Dorking, UK. The event features a marathon, half marathon, 10K race (including Canicross), and kids’ races for ages 3-12. The course offers an undulating route through Surrey’s rolling, muddy hills, p..

The Valley Park Tour of the Woods is a 10 km trail race held in the scenic Valley Park Woodlands in Chandler's Ford, Hampshire. Organized by Chandler's Ford Swifts Running Club, the race is uniquely divided into five stages ranging from 500 meters to 3 km, with recovery breaks between each that do n..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

The Winwick Hall Trail Races, held at the scenic Winwick Hall Estate in Northamptonshire, offer fully marked and marshaled trail running events including 10k and 5k distances, plus a 2k children's fun run for ages 4-12. The courses feature a mix of grassland, country paths, and hard-packed trails wi..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly trail running event held at Pippingford Park Manor in East Sussex. This two-race series offers runners the choice of 10-mile or 5-mile distances through stunning, undulating forest trails with picturesque scenery. The event emphasizes sustaina..

The Summer Midweek Race - The Off-road One will take place in Warwick on Wednesday 23 July 2025.

Summer Nights is a self-navigation trail race organized by Essex Trail Events, held at The Wheatsheaf in Hatfield Peverel, Essex. The event features a new approximately 6-mile route, with participants using a written route description provided on race day—there are no course markings, marshals, or G..

The Great Barrow Challenge Day 1, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event offers runners the choice of distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to run at their own pace. Day 1 feat..

Stately Trails: Aske is a scenic running event held at Aske Hall, a Georgian country house near Richmond, North Yorkshire. Participants can choose between 5km and 10km trail races, or a 5km walk, all set within the exclusive estate's beautiful grounds featuring parkland, woodland, pasture fields, an..

The ZigZag Great Barrow Challenge Day 2 takes place at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event is part of a 10-day running series offering individual day entries with distances ranging from 5k to ultra marathon. Day 2 features the Windmill route, a trail course with undul..

The Kennet & Avon Canal 145 Mile Race (KACR) is a challenging non-stop ultramarathon held in the UK, running from Little Venice, London, to Bristol. Covering 145 miles, the route follows canal, river, and railway towpaths, including the Grand Union Canal, Jubilee River, River Thames, Kennet & Avon C..

The Maverick X Series East Sussex 2025 is a trail running event held at Stanmer Park, near Brighton, East Sussex. It offers five routes ranging from a 6 km sprint to a challenging 50 km ultra, all featuring hilly, hard-packed trails suitable for all levels. The course includes scenic sections of the..

The ZigZag Great Barrow Challenge Day 3 takes place at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event is part of a 10-day running series offering individual day entries with distances ranging from 5k to ultra marathon. On Day 3, runners can choose between the full Kirtling route..

The Great Barrow Challenge Day 4, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series offering individual day entries with various distances including 5k, 10k, half marathon, full marathon, and ultra marathon. Day 4 features..

The White Horse Gallop is a circular half marathon trail running event that begins and ends on the Ridgeway, showcasing the scenic beauty of National Trust sites, including Ashdown House and the historic White Horse Hill. The course features an "undulating" route, providing a challenging yet enjoyab..